CN117021578A - Ultrasonic auxiliary additive manufacturing device - Google Patents
Ultrasonic auxiliary additive manufacturing device Download PDFInfo
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- CN117021578A CN117021578A CN202311026116.8A CN202311026116A CN117021578A CN 117021578 A CN117021578 A CN 117021578A CN 202311026116 A CN202311026116 A CN 202311026116A CN 117021578 A CN117021578 A CN 117021578A
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- ultrasonic
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000000654 additive Substances 0.000 title claims abstract description 28
- 230000000996 additive effect Effects 0.000 title claims abstract description 28
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000002604 ultrasonography Methods 0.000 claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 13
- 238000007639 printing Methods 0.000 description 11
- 239000000956 alloy Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/264—Arrangements for irradiation
- B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of laser additive manufacturing, and discloses an ultrasonic auxiliary additive manufacturing device, which comprises a substrate and further comprises: the support frame is arranged on the top surface of the substrate, a mounting block is arranged on the support frame, and a laser melting nozzle is arranged on the mounting block; the ultrasound auxiliary component includes: the ultrasonic vibration-assisted material-increasing manufacturing device comprises a fixing plate, an ultrasonic vibration pressure head and a driving assembly, wherein the fixing plate is arranged below a laser melting nozzle on a mounting block, a circular through hole is formed in the middle of the fixing plate, a mounting circular plate is connected in a rotary mode through the circular through hole, an opening for the laser melting nozzle is formed in the middle of the mounting circular plate, the ultrasonic vibration pressure head is longitudinally fixed on the mounting circular plate, the driving assembly is arranged on the fixing plate, and the ultrasonic vibration-assisted material-increasing manufacturing device can conduct arc-shaped movement on the ultrasonic vibration pressure head through the ultrasonic vibration-assisted component, so that the ultrasonic vibration pressure head acts on a workpiece at any time in the material-increasing manufacturing process, the surface flatness of a formed piece is improved, and the manufacturing precision and the mechanical property of the formed piece are improved.
Description
Technical Field
The invention relates to the technical field of laser additive manufacturing, in particular to an ultrasonic auxiliary additive manufacturing device.
Background
The additive manufacturing technology is also called 3D printing technology, integrates computer aided design, material processing and forming technology and is based on digital model files, and the technology for manufacturing solid parts by accumulating materials layer by layer is a manufacturing method of accumulating materials from bottom to top. Different from the traditional material reduction manufacturing such as turning, milling and the like, the material increase manufacturing does not need to process cutters, clamps and complicated processing procedures, and parts with complex shapes can be rapidly and accurately formed, so that the research and development time and the research and development cost of products are greatly shortened. Since being proposed, additive manufacturing technology has been rapidly developed and is very widely applied to the fields of automobiles, aerospace, construction, medical sanitation and the like. The laser additive manufacturing technology is to use alloy powder as raw material, to melt the alloy powder in situ by high-power laser, and to make the alloy powder in molten state solidify rapidly and deposit step by step to manufacture solid parts.
However, in the rapid melting and solidification process of alloy powder, solidification of a molten pool is realized by conducting heat to a forming piece substrate and a deposited layer, on a microscopic level, a molten pool top interface is similar to an ellipsoid, a molten pool bottom interface is approximately horizontal, the temperature of the molten pool interface changes from the molten pool bottom to the molten pool top, and the temperature gradient changes greatly, so that a solidified forming part has larger thermal stress, material phase transformation also has structural stress, pores, gaps and cracks can occur at any time, mechanical properties of a forming sample piece are lower, and the surface flatness of the forming piece is poor, and further the manufacturing quality of the forming piece is reduced. At present, the main mode of inhibiting the air holes, gaps and cracks generated by the formed part is to contact the surface of the workpiece by using an ultrasonic pressure head and generate ultrasonic waves to act on the workpiece to generate cavitation effect and mechanical effect, so that the bonding state between layers is improved, and the occurrence of the air holes, the gaps and the cracks is avoided.
However, the ultrasonic pressure head on the additive manufacturing device in the prior art is mostly fixedly arranged at one side of the laser melting nozzle, and the arrangement mode finds that when a more complex workpiece is printed and produced in actual use, the advancing track of the laser melting nozzle is complex and changeable, and the motion tracks such as the front of the ultrasonic pressure head or the circular shape of the laser melting nozzle often occur. In these cases, the fixedly arranged ultrasonic head cannot act on the molten alloy material ejected in the circumferential direction of the laser melting head at any time, so that the local bonding of the workpiece is not tight, and pores, gaps and cracks are not completely removed, so that the quality of the produced workpiece is poor.
Disclosure of Invention
The invention provides an ultrasonic auxiliary additive manufacturing device, which enables an ultrasonic pressure head to act on a workpiece at any time in the additive manufacturing process by arranging an ultrasonic auxiliary component capable of moving the ultrasonic pressure head in an arc shape, improves the surface flatness of a formed part, and improves the manufacturing precision and mechanical property of the formed part so as to solve the defects in the prior art.
The technical scheme of the invention is as follows: an ultrasonic-assisted additive manufacturing apparatus comprising a substrate, further comprising:
the support frame is arranged on the top surface of the substrate, a mounting block is arranged on the support frame, and a laser melting nozzle is arranged on the mounting block;
an ultrasound assistance component comprising: the ultrasonic welding device comprises a mounting block, a fixing plate, an ultrasonic pressure head and a driving assembly, wherein the fixing plate is arranged below a laser melting nozzle on the mounting block, a circular through hole is formed in the middle of the fixing plate, a mounting circular plate is connected in a rotary mode through the circular through hole, an opening for the laser melting nozzle to pass through is formed in the middle of the mounting circular plate, the ultrasonic pressure head is longitudinally fixed on the mounting circular plate, and the driving assembly is arranged on the fixing plate; the driving component is used for driving the mounting circular plate to rotate.
Preferably, the installation circular plate is provided with an installation groove, a guide rod and a screw rod rotationally connected in the installation groove are arranged in the installation groove, the screw rod penetrates out of the installation circular plate, a rotary knob is arranged at the penetrating end of the screw rod, a sliding block which is in threaded connection with the screw rod is arranged in the installation groove, a strip-shaped hole penetrating through the guide rod is formed in the sliding block, and the ultrasonic pressure head is longitudinally arranged on the sliding block.
Preferably, said. The drive assembly includes: the gear ring is arranged at the bottom of the installation circular plate, the first stepping motor is arranged at the bottom of the fixed plate, and a gear meshed with the gear ring is arranged on a rotating shaft of the first stepping motor.
Preferably, be equipped with vertical spout on the installation piece, still be equipped with lifting unit on the supplementary part of supersound, lifting unit includes: the device comprises a first stepping motor, a first threaded rod and a moving block, wherein the first stepping motor is arranged above a laser melting nozzle on a mounting block, the threaded rod is fixedly connected to a rotating shaft of the first stepping motor, the end part of the threaded rod is rotationally connected with a supporting block fixedly connected with the mounting block, the moving block is fixedly connected to the side edge of a fixing plate, and the moving block is arranged in a longitudinal sliding groove and is in threaded connection with the threaded rod.
Preferably, a connecting rod is arranged on the side edge of the laser melting nozzle, a through hole is formed in the connecting rod, and the threaded rod penetrates through the through hole.
Preferably, scale marks are arranged on the side edges of the mounting grooves, and datum lines corresponding to the scale marks are arranged on the sliding blocks.
Preferably, the substrate is provided with a longitudinal mounting opening, a Y-axis moving assembly is arranged in the mounting opening, and a carrier plate connected with the Y-axis moving assembly is arranged above the mounting opening.
Preferably, be equipped with Z axle lifting unit on the support frame, Z axle lifting unit includes: the X-axis moving assembly is arranged on the first ball screw.
Preferably, the X-axis moving assembly includes: the first screw sliding block is provided with two first ball screws, the fourth screw sliding block is arranged on the first ball screws, the fourth screw sliding block is provided with a second ball screw, the second ball screw is rotationally connected to the rotating shaft of the fourth screw, the end part of the second ball screw is rotationally connected to the first screw sliding block on the opposite side, and the mounting block is provided with a second screw sliding block matched with the second ball screw.
Preferably, the support frame is a portal frame, the side on the support frame is provided with a reinforcing rod connected with the base plate, a connecting plate is arranged between the support frames, and the second screw rod sliding block is attached to the connecting plate.
The invention has the beneficial effects that:
the invention provides an ultrasonic auxiliary additive manufacturing device, which is characterized in that when in use, in the process of laser melt-blowing printing, a third stepping motor, a fourth stepping motor and a fifth stepping motor are coordinately controlled to move according to a three-dimensional model of a workpiece, so that alloy materials are printed on a carrier plate layer by layer, the first stepping motor is controlled to rotate according to a printing track of a laser melt nozzle, a mounting circular plate is driven to rotate through a gear ring, and an ultrasonic pressure head is driven to rotate in the circumferential direction of the laser melt nozzle, so that the ultrasonic pressure head is always positioned behind the running track of the laser melt nozzle. According to the ultrasonic auxiliary material increasing manufacturing device, the ultrasonic auxiliary component capable of enabling the ultrasonic pressure head to move in the arc shape is arranged, so that the ultrasonic pressure head acts on a workpiece at any time in the material increasing manufacturing process, the bonding state between layers is improved, the forming probability of air holes and micro segregation in a formed part is reduced, meanwhile, grains are thinned, residual stress is reduced, the surface flatness of the formed part is improved, and the manufacturing precision and mechanical property of the formed part are improved. Before laser melt-blown printing, according to the thickness of the melt-blown material to be printed by melt-blowing, a second stepping motor is started to control an ultrasonic auxiliary component to move up and down, so that an ultrasonic pressure head is fully contacted with the printed material during printing, then a knob is rotated according to the cooling rate of an alloy material to drive a screw rod to rotate, and a sliding block is driven to slide in a mounting groove, so that the distance between the ultrasonic pressure head and a laser melt-blowing head is adjusted, the matching of the ultrasonic pressure head and the laser melt-blowing head is jointly ensured, and the device is suitable for melt-blown printing of various alloy materials.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic side cross-sectional structural view of an ultrasound-assisted component of the present invention;
FIG. 3 is a schematic top view of an ultrasound-assisted component of the present invention;
FIG. 4 is a schematic view of the front view of the ultrasound-assisted component of the present invention;
fig. 5 is a schematic top view of the present invention.
Reference numerals illustrate:
1. a substrate; 11. a mounting port; 12. a carrier plate; 2. a support frame; 21. a mounting block; 211. a second screw rod sliding block; 22. a connecting plate; 3. a laser melting nozzle; 31. a connecting rod; 4. an ultrasound auxiliary component; 41. a fixing plate; 411. mounting a circular plate; 412. a mounting groove; 413. a guide rod; 414. a screw rod; 415. a slide block; 42. an ultrasonic pressure head; 43. a drive assembly; 431. a toothed ring; 432. a first stepping motor; 5. a baffle; 51. triggering a switch; 6. a controller; 7. a lifting assembly; 71. a second stepping motor; 72. a threaded rod; 73. a moving block; 81. a Z-axis lifting assembly; 811. a third stepper motor; 812. a first ball screw; 82. an X-axis moving assembly; 821. the first lead screw sliding block; 822. a fourth stepping motor; 823. a second ball screw; 83. and a Y-axis moving assembly.
Detailed Description
One embodiment of the present invention will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the technical solutions of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 to 5, an ultrasonic-assisted additive manufacturing apparatus includes a substrate 1, and further includes:
the support frame 2 is arranged on the top surface of the substrate 1, a mounting block 21 is arranged on the support frame 2, and a laser melting nozzle 3 is arranged on the mounting block 21;
ultrasound auxiliary component 4, comprising: the ultrasonic head comprises a fixed plate 41, an ultrasonic pressure head 42 and a driving component 43, wherein the fixed plate 41 is arranged below the laser melting nozzle 3 on the mounting block 21, a circular through hole is formed in the middle position of the fixed plate 41, a mounting circular plate 411 is connected in a rotating mode in the circular through hole, an opening for the laser melting nozzle 3 to pass through is formed in the middle position of the mounting circular plate 411, the ultrasonic pressure head 42 is longitudinally fixed on the mounting circular plate 411, and the driving component 43 is arranged on the fixed plate 41; the driving assembly 43 is used for driving the mounting circular plate 411 to rotate.
Preferably, the mounting circular plate 411 is provided with a mounting groove 412, a guide rod 413 is arranged in the mounting groove 412, a screw rod 414 is rotatably connected in the mounting groove 413, the screw rod 414 penetrates out of the mounting circular plate 411, a turning button is arranged at the penetrating end of the screw rod 414, a sliding block 415 which is in threaded connection with the screw rod 414 is arranged in the mounting groove 412, a strip-shaped hole penetrating through the guide rod 413 is formed in the sliding block 415, the ultrasonic pressure head 42 is longitudinally arranged on the sliding block 415, and the ultrasonic pressure head 42 is conveniently driven to move by the arrangement of the sliding block 415 so as to adjust the distance between the ultrasonic pressure head 42 and the laser melting nozzle 3.
Preferably, said. The driving assembly 43 includes: the gear ring 431 and the first step motor 432, the gear ring 431 sets up the bottom at the installation plectane 411, first step motor 432 sets up the bottom at fixed plate 41, be equipped with in the pivot of first step motor 432 with the gear 433 that the gear ring engaged with, compare in other forms drive assembly 43, this kind of drive assembly 43's installation space is littleer.
Further, the mounting block 21 is provided with a longitudinal chute, the ultrasonic auxiliary component 4 is further provided with a lifting assembly 7, and the lifting assembly 7 comprises: the second step motor 71, threaded rod 72 and movable block 73, the second step motor 71 sets up the top of laser beam nozzle 3 on the installation piece 21, the setting position avoided laser beam nozzle 3 to the normal operation of second step motor 71 to cause the influence, threaded rod 72 fixed connection is in the pivot of second step motor 71, the tip rotation of threaded rod 72 is connected with the supporting shoe with installation piece 21 fixed connection, movable block 73 fixed connection is in the side of fixed plate 41, movable block 73 sets up in vertical spout to threaded connection is on threaded rod 72, the setting of lifting unit 7 can drive ultrasonic auxiliary component 4 and reciprocate, can make adaptive adjustment to the molten material of different thickness for ultrasonic pressure head 42 closely laminates with the work piece, effectually clear away gas pocket, gap and crackle in the work piece completely.
Further, the side of laser beam nozzle 3 is equipped with connecting rod 31, be equipped with the through-hole on the connecting rod 31, threaded rod 72 passes the through-hole, threaded rod 72 has been avoided taking place to interfere with laser beam nozzle 3 to the setting of through-hole, the setting of connecting rod 31 makes laser beam nozzle 3 can just in time pass the installation plectane 411, the setting height of ultrasonic pressure head 42 is less than connecting rod 31 to avoid carrying out the circumference rotation to ultrasonic pressure head 42 when interfering with connecting rod 31.
Further, scale marks are provided on the side of the mounting groove 412, reference lines corresponding to the scale marks are provided on the slider 415, and when the space between the slider 415 and the laser melting nozzle 3 is adjusted according to the cooling speed of different materials, the reference lines are used as the basis, and the scale marks are used as the reference, so that the slider 415 can be conveniently quantitatively adjusted.
Further, a longitudinal mounting opening 11 is formed in the base plate 1, a Y-axis moving assembly 83 is arranged in the mounting opening 11, a carrier plate 12 connected with the Y-axis moving assembly 83 is arranged above the mounting opening 11, the carrier plate 12 is used for bearing a forming part in the printing process, a stepping motor with the same model as the Z-axis lifting assembly 81 is adopted by the Y-axis moving assembly 83, a threaded rod connected with the stepping motor is arranged in the mounting opening 11, and a screw rod sliding block matched with the threaded rod is arranged at the bottom of the carrier plate 12 so as to drive the carrier plate 12 to move along the Y-axis direction.
Further, the support frame 2 is provided with a Z-axis lifting assembly 81, and the Z-axis lifting assembly 81 includes: the three-dimensional X-axis moving device comprises a third stepping motor 811 and a first ball screw 812, wherein the third stepping motor 811 is provided with two, the two are arranged on the same side of the supporting frame 2, the first ball screw 812 is fixedly connected to a rotating shaft of the third stepping motor 811, the end part of the first ball screw 812 is rotatably connected with a supporting plate fixed on the supporting frame 2, and the first ball screw is provided with an X-axis moving assembly 82.
Further, the X-axis moving assembly 82 includes: the first lead screw slide blocks 821 are provided with two first lead screw slide blocks 812, the fourth step motor 822 is arranged on the first lead screw slide blocks 821, the second lead screw 823 is rotationally connected to the rotating shaft of the fourth step motor 822, the end part of the second lead screw 823 is rotationally connected to the first lead screw slide blocks 821 on the opposite side, and the second lead screw slide blocks 211 matched with the second lead screw 823 are arranged on the mounting block 21.
Further, the support frame 2 is a portal frame, the side on the support frame 2 is provided with a reinforcing rod connected with the substrate 1, the stability of the support frame 2 is increased due to the arrangement of the reinforcing rod, the precision of workpieces in the process of additive manufacturing is guaranteed, a connecting plate 22 is arranged between the support frames 2, and the second screw rod sliding block 211 is attached to the connecting plate 22.
The working principle and the using method of the embodiment are as follows:
the invention provides an ultrasonic auxiliary additive manufacturing device, when the ultrasonic auxiliary additive manufacturing device is used, a Y-axis moving component controls a carrier plate to move in the Y-axis direction, an X-axis moving component and a Z-axis lifting component jointly control an ultrasonic auxiliary component to move in the X-axis direction and the Z-axis direction, before laser melt-spraying printing, a second stepping motor is started to control the ultrasonic auxiliary component to move up and down according to the thickness of a melt-spraying material to be printed according to melt-spraying, so that an ultrasonic pressure head is fully contacted with a printing material during printing, a knob is rotated according to the cooling rate of an alloy material to drive a screw rod to rotate and drive a sliding block to slide in a mounting groove, so that the distance between the ultrasonic pressure head and a laser melt-spraying head is adjusted, then in the process of laser melt-spraying printing, the third stepping motor, the fourth stepping motor and the fifth stepping motor are controlled in a coordinated manner according to a three-dimensional model of a workpiece to print the alloy material onto the carrier plate layer by layer, the first stepping motor is controlled to rotate according to the printing track of the laser melt-spraying head, and a gear toothed ring drives a mounting circular plate to rotate, so that the ultrasonic pressure head is driven to rotate, and the pressure head is driven to always rotate along the rotating circular plate, so that the pressure head is enabled to rotate along the circumferential direction of the pressure head to be positioned in a circumferential direction of the laser melt-spraying head, and a crack is formed in time, and a crack is formed in the laser nozzle is convenient to be cleaned.
The foregoing disclosure is merely illustrative of some embodiments of the invention, but the embodiments are not limited thereto, and any variations that may be contemplated by one skilled in the art should fall within the scope of the invention.
Claims (10)
1. An ultrasound-assisted additive manufacturing device comprising a substrate (1), characterized in that it further comprises:
the support frame (2) is arranged on the top surface of the substrate (1), the support frame (2) is provided with a mounting block (21), and the mounting block (21) is provided with a laser melting nozzle (3);
ultrasound assistance component (4), comprising: the ultrasonic welding device comprises a fixing plate (41), an ultrasonic pressure head (42) and a driving assembly (43), wherein the fixing plate (41) is arranged below a laser melting nozzle (3) on a mounting block (21), a circular through hole is formed in the middle of the fixing plate (41), a mounting circular plate (411) is connected in a rotary mode, an opening for the laser melting nozzle (3) to pass through is formed in the middle of the mounting circular plate (411), the ultrasonic pressure head (42) is longitudinally fixed on the mounting circular plate (411), and the driving assembly (43) is arranged on the fixing plate (41); the driving assembly (43) is used for driving the mounting circular plate (411) to rotate.
2. An ultrasonic-assisted additive manufacturing device as claimed in claim 1, characterized in that the mounting circular plate (411) is provided with a mounting groove (412), a guide rod (413) and a screw rod (414) rotatably connected in the mounting groove (412) are arranged in the mounting groove (412), the screw rod (414) penetrates out of the mounting circular plate (411) and is provided with a turning button at the penetrating end, a sliding block (415) in threaded connection with the screw rod (414) is arranged in the mounting groove (412), a strip-shaped hole penetrating through the guide rod (413) is arranged on the sliding block (415), and the ultrasonic pressure head (42) is longitudinally arranged on the sliding block (415).
3. An ultrasound-assisted additive manufacturing apparatus as claimed in claim 1, wherein the drive assembly (43) comprises: the gear ring (431) and the first step motor (432), the gear ring (431) sets up the bottom at installation plectane (411), first step motor (432) set up the bottom at fixed plate (41), be equipped with in the pivot of first step motor (432) with gear ring engaged with gear (433).
4. An ultrasound-assisted additive manufacturing device as claimed in claim 1, wherein the mounting block (21) is provided with a longitudinal chute, the ultrasound-assisted component (4) is further provided with a lifting assembly (7), the lifting assembly (7) comprising: the device comprises a second stepping motor (71), a threaded rod (72) and a moving block (73), wherein the second stepping motor (71) is arranged above a laser melting nozzle (3) on an installation block (21), the threaded rod (72) is fixedly connected to a rotating shaft of the second stepping motor (71), a supporting block fixedly connected with the installation block (21) is rotatably connected to the end portion of the threaded rod (72), the moving block (73) is fixedly connected to the side edge of a fixed plate (41), and the moving block (73) is arranged in a longitudinal sliding groove and is in threaded connection with the threaded rod (72).
5. An ultrasonic-assisted additive manufacturing device as claimed in claim 4, characterized in that the side of the laser melting nozzle (3) is provided with a connecting rod (31), the connecting rod (31) is provided with a through hole, and the threaded rod (72) passes through the through hole.
6. An ultrasound-assisted additive manufacturing apparatus as claimed in claim 3, wherein the mounting groove (412) is provided with graduation marks on a side thereof, and the slider (415) is provided with a reference line corresponding to the graduation marks.
7. An ultrasound-assisted additive manufacturing device as claimed in claim 1, characterized in that the base plate (1) is provided with a longitudinal mounting opening (11), a Y-axis moving assembly (83) is arranged in the mounting opening (11), and a carrier plate (12) connected with the Y-axis moving assembly (83) is arranged above the mounting opening (11).
8. An ultrasound-assisted additive manufacturing apparatus as claimed in claim 1, wherein the support frame (2) is provided with a Z-axis lifting assembly (81), the Z-axis lifting assembly (81) comprising: third step motor (811) and first ball (812), third step motor (811) are equipped with two, set up the same side in support frame (2), first ball (812) fixed connection is in the pivot of third step motor (811), and the tip rotation of first ball (812) is connected with the backup pad of fixing on support frame (2), be equipped with X axle removal subassembly (82) on first ball (812).
9. An ultrasound-assisted additive manufacturing apparatus as in claim 8 wherein the X-axis movement assembly (82) comprises: first lead screw slider (821), fourth step motor (822) and second ball screw (823), first lead screw slider (821) are equipped with two, set up respectively on two first ball screws (812), fourth step motor (822) set up on first lead screw slider (821), second ball screw (823) rotate connect in the pivot of fourth step motor (822), and the tip of second ball screw (823) rotates to be connected on first lead screw slider (821) of opposite one side, be equipped with on installation piece (21) with second ball screw (823) matched with second lead screw slider (211).
10. The ultrasonic-assisted additive manufacturing device according to claim 9, wherein the support frame (2) is a portal frame, a reinforcing rod connected with the base plate (1) is arranged on the side edge of the support frame (2), a connecting plate (22) is arranged between the support frames (2), and the second screw rod sliding block (211) is attached to the connecting plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026116.8A CN117021578A (en) | 2023-08-15 | 2023-08-15 | Ultrasonic auxiliary additive manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026116.8A CN117021578A (en) | 2023-08-15 | 2023-08-15 | Ultrasonic auxiliary additive manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117021578A true CN117021578A (en) | 2023-11-10 |
Family
ID=88635037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311026116.8A Pending CN117021578A (en) | 2023-08-15 | 2023-08-15 | Ultrasonic auxiliary additive manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117021578A (en) |
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2023
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